Between the Authentics 300 and Era 300, the Authentics 300 comes out ahead in output, while the Era 300 wins on dolby atmos and matter / thread. Overall, the Authentics 300 scores 55.1 and the Era 300 scores 35 on our Mars Score.
Which should you buy?
The Authentics 300 is the clear pick on raw spec strength, leading by 20.1 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Authentics 300 if you care most about output. The biggest gaps in its favor are output.
Pick the Era 300 if you care most about dolby atmos and matter / thread. Its strongest claims are dolby atmos, matter / thread.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the Authentics 300 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why JBL - Authentics 300 wins
- ▲Output: 100 W vs 0 W.
Why Sonos - Era 300 wins
- ▲Has Dolby Atmos.
- ▲Has Matter / Thread.
Spec comparison
Audio
| Spec | JBL - Authentics 300 | Sonos - Era 300 |
|---|---|---|
| Output | 100 Wlead | 0 W |
| Stereo pairing | true | true |
| Dolby Atmosⓘ | false | truelead |
Assistant & Smart Home
| Spec | JBL - Authentics 300 | Sonos - Era 300 |
|---|---|---|
| Voice assistant | Alexa,Google Assistant | Alexa,Sonos Voice |
| Matter / Thread | false | truelead |
| Zigbee hub | false | false |
Frequently asked
Spec-level deep dives
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